— Was it not until last week ______ he decided to give up smoking?

— No. He began _____ he saw the new film last month.

A．when; as soon as

B．that; directly

C．did; after

D．that; till

肝细胞癌的X线表现有（）。

A.X线平片一般不用于诊断

B.钡剂造影可用于观察合并门静脉高压的肝细胞癌

C.肿瘤供血动脉扩张，动脉分支变形、移位、扭曲及包绕

D.肿瘤新生血管增多

E.门静脉癌栓，表现为门静脉内充盈缺损